i wanted to put my 2 cents since i didn't see much love for the cs based putters.
putting is all individual we all know that, with a club that's responsible for half of your strokes if u want to be a par player u can't escape putting 36 putts and lower to achieve that ,
i have the x tour spider center shaft and it helped me taking my putting from 36 to 29is per round and i kept stats for months between a bunch of different putters with l neck twist neck double bend etc , seems like for my cs is the answer since im very low almost table top style of putter.
surprisingly not to